__func__, cpu);
goto out_release;
}
+ smpboot_park_threads(cpu);
err = __stop_machine(take_cpu_down, &tcd_param, cpumask_of(cpu));
if (err) {
/* CPU didn't die: tell everyone. Can't complain. */
+ smpboot_unpark_threads(cpu);
cpu_notify_nofail(CPU_DOWN_FAILED | mod, hcpu);
-
goto out_release;
}
BUG_ON(cpu_online(cpu));
goto out;
}
+ ret = smpboot_create_threads(cpu);
+ if (ret)
+ goto out;
+
ret = __cpu_notify(CPU_UP_PREPARE | mod, hcpu, -1, &nr_calls);
if (ret) {
nr_calls--;
goto out_notify;
BUG_ON(!cpu_online(cpu));
+ /* Wake the per cpu threads */
+ smpboot_unpark_threads(cpu);
+
/* Now call notifier in preparation. */
cpu_notify(CPU_ONLINE | mod, hcpu);